Essential Change Client Models
The only type of shopper unit, the Essential Change board is equipped with a 100A mains isolator solely. When the seventeenth Version Rules first got here into being it appeared to many who the times of the primary change board, which is equipped with out RCDs, had been numbered.
Nonetheless, Essential Change fuse boards, when used together with a full financial institution of RCBOs at the moment are being thought-about the one greatest solution to fulfill seventeenth Version, as this enables for full separation of circuits thus stopping nuisance tripping.
The draw back to this set up is the price as utilizing particular person RCBOs is significantly dearer than utilizing RCDs with MCBs. Many owners nevertheless are prepared to pay the additional value for the peace of thoughts that RCBOs present.
Excessive Integrity Boards
A ‘Excessive Integrity Client Unit’ is one which permits for superior separation of circuits while nonetheless defending all circuits from earth leakage. It does this through the use of three impartial bars which permits for using 2 RCDs and a complete financial institution of RCBOs.
The person could subsequently shield all ‘non-mission important circuits like lighting and ring important on the RCDs while defending all mission important circuits independently with RCBOs. On this scenario an issue with the fridge freezer won’t have an effect on the smoke alarms or, for instance, the alarm system won’t minimize energy to the tropical fish tank. Excessive Integrity boards present superb compliance to the seventeenth Version Wiring Rules.
Cut up Load Client Models
A break up load board, in frequent parlance, is one which is equipped with a Essential Change and RCD. Now that we function beneath seventeenth Version laws the implied loading of a break up load unit is that MCBs ought to solely be placed on the RCD aspect whereas RCBOs are fitted on the primary change aspect.
A break up load board, used on this manner satisifies the seventeenth Version Rules significantly effectively and cheaply because it protects all circuits towards earth leakage while reducing the chance of nuisance tripping on mission important circuits by good circuit separation.
Storage Client Models
The time period ‘Storage shopper unit’ is utilized to smaller shopper models and there is not anything significantly particular about these shopper models. Most conventional home environments have solely a small quantity circuits in its garages, backyard sheds and outhouses and subsequently doesn’t require the bigger 10 – 36 manner fuse boards utilized in the primary family.
Storage models are usually between 2 and 5 methods relying on what’s getting used within the outhouse. A traditional shed with lighting and a few sockets would use a 2 manner unit while a workshop utilizing a lathe and energy instruments would possibly go for a 5 manner unit.
Absolutely Loaded Client Models
These shopper models usually include 2 RCDs and a full financial institution of MCBs and often have between 10 and 15 usable methods. While very value efficient and totally seventeenth Version compliant they don’t present superb separation of circuits.